下敷き
下敷
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                Kana: 
                したじき
            
                    
                Romaji: 
                shitajiki
            
            Definitions
                    1
                
                desk pad; sheet of plastic (or cardboard, felt, etc.) placed under writing paper; underlay
                    2
                
                being pinned under; being caught under; being trapped under; being buried under; being crushed beneath
                    3
                
                model; pattern
                            Note: 
                            often as 〜を下敷きにして